Siemens6ES7440-1CS00-0YE0

Siemens S7-400 CP440-1 RS-422/485 processor / 6ES7440-1CS00-0YE0

Siemens6ES7440-1CS00-0YE0Product image is not available.

Verify the part number and specifications; the image alone does not establish suitability.

ARAN VISION reference
AV-REF-Siemens-6ES7440-1CS00-0YE0
Category
PLC and HMI
Manufacturer sourcing lead time
Manufacturer confirmation required

Delivery to your location is confirmed separately.

Documents / datasheets
ARAN VISION specification sheet

Technical specifications

Controller family
SIMATIC S7-400
Communication interface
1 x RS-422/RS-485 (X.27)
Protocols
ASCII; 3964(R)
Communication speed
115.2 kbit/s maximum with ASCII or 3964(R)
Maximum nodes
32, per manufacturer overview
Cable length
1200 m maximum, shielded RS-422/485 cable; installation and baud-rate conditions require exact manual
Engineering software
STEP 7 with module parameter-assignment forms
CPU memory requirement
1–5 Kbytes per interface for parameters, in S7-CPU memory card
Current from backplane bus
360 mA maximum from 5 VDC backplane
Power dissipation
1.7 W typical
Width
25 mm
Height
290 mm
Depth
210 mm
Weight
Approximately 600 g
Document pages
PDF 96
Current lifecycle status
Not established by historical May 2017 catalogue; confirm current lifecycle and supply separately
Report a product-data issue

Documents / datasheets

Source reviewed: 2026-10-22

Description

6ES7440-1CS00-0YE0: One point-to-point channel for ASCII or 3964(R), not an Ethernet interface. Specifications follow the exact manufacturer table in the May 2017 catalogue; verify supplied revision, current lifecycle and availability separately.

Ask about this product

Send the part number and your question for technical or sourcing review.

Condition and order verification

Authenticity and condition

Product authenticity and actual condition, including new condition when offered as new, are checked before final approval and recorded in the quotation.

Matching technical version

The part number, revision, firmware or version is checked against your requirements. Apparently similar products may differ in price because of their version or condition.

Delivery estimate before ordering

Specialist products have a lead time. The valid delivery estimate is stated in the quotation after checking availability and specifications.

Products in the same technical family

Category similarity does not establish compatibility or replacement suitability.